Patents Assigned to E
  • Digital sampling instrument
    Patent number: 5144676
    Abstract: A digital sampling instrument is disclosed. The instrument provides the capability of accessing and outputting stored digital data within a single clock cycle. The instrument also provides improved volume scaling for sound generation and further eliminates redundant loading of a particular sound into a sound memory.
    Type: Grant
    Filed: January 16, 1991
    Date of Patent: September 1, 1992
    Assignee: E-mu Systems, Inc.
    Inventor: David P. Rossum
  • Catecholamine esters
    Patent number: 5144059
    Abstract: The compound of the formula ##STR1## (wherein R, R.sub.1 and R.sub.2 have the meanings given in the description), salts thereof with pharmaceutically acceptable organic or inorganic acids, process and intermediates for the preparation thereof and a pharmaceutical composition containing said compound are described.The compounds of formula I and the salts thereof are useful in the treatment of heart and renal diseases.
    Type: Grant
    Filed: April 20, 1990
    Date of Patent: September 1, 1992
    Assignee: Simes Societa Italiana Medicinali E. Sintetici S.A.
    Inventors: Cesare Casagrande, Francesco Santangelo
  • Coating composition of polyesterurethane and multifunctional epoxy compound
    Patent number: 5143788
    Abstract: A coating composition particularly useful in for forming exterior finishes on the exterior of vehicle parts, the binder of the composition which is in an organic liquid carrier is a polyesterurethane and a multifunctional epoxy compound; whereinthe polyesterurethane is formed by reacting a hydroxy functional polyester with a hydroxy containing carboxylic acid and an organic polyisocyanate andthe multifunctional epoxy resin is an aliphatic, cycloaliphatic or aromatic epoxy resin; coated parts, laminates and composite structures made with the coating composition are also part of the invention.
    Type: Grant
    Filed: November 20, 1991
    Date of Patent: September 1, 1992
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Jeffery W. Johnson
  • Bag opening device for automatically opening plastic bags in supermarket check-out counters incorporating bag dispensing machines
    Patent number: 5142841
    Abstract: A bag opening device for supermarket check-out counters incorporating plastic bag dispensing machines, comprising two slides capable of mutual approaching and departing motion along a horizontal rail in a symmetrical direction with respect to a central position where the plastic bag to be opened is located; on each slide (7,8) is mounted a pair of rollers (1, 1' and 2, 2') in contact with each other, said pair of rollers being operated by a motor-reducer (13, 13') so as to simultaneously rotate the rollers of one pair in an opposite direction compared with the rollers of the other pair, said pairs of rollers being apt to come in contact with the opposite sides of a plastic bag (12) for grasping the sides and then pulling the sides apart, and subsequently to rotate in the opposite direction for releasing the sides of the bag from the grip of the rollers.
    Type: Grant
    Filed: July 26, 1991
    Date of Patent: September 1, 1992
    Assignee: A.W.A.X. Progettazione e Ricerca S.r.l.
    Inventors: Angelo Cappi, Renato Rimondi
  • Optical spectroscopy system
    Patent number: 5144374
    Abstract: An optical spectroscopy system, wherein a pulse of a radiation to be analyzed is sent to a diffractive element presenting high temporal chromatic dispersion, and information relevant to the radiation spectrum is obtained from pulse broadening in the time domain.
    Type: Grant
    Filed: April 11, 1991
    Date of Patent: September 1, 1992
    Assignee: Cselt - Centro Studi e Laboratori Telecommunicazioni S.p.A.
    Inventor: Giorgio Grego
  • Preparation of catalytically active fillers for polyolefin composites
    Patent number: 5143549
    Abstract: This invention relates to polyolefin composites, and to processes for drying fillers and catalytically-active fillers for use in preparing homogeneous polyolefin composites.
    Type: Grant
    Filed: July 19, 1991
    Date of Patent: September 1, 1992
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Edward G. Howard, Jr.
  • Vapor control system for vapor degreasing/defluxing equipment
    Patent number: 5142873
    Abstract: An improved vapor degreaser characterized by a deep freeboard zone (i.e., freeboard to width ratio of 1.0 to 2.3) containing a three-stage condenser/heat exchanger configuration comprising: a water-cooled lower primary exchanger operating above 32.degree. F. to effect condensation of the bulk of the vapor generated by the boiling sump and a combination of an intermediate exchanger above, but preferably overlapping, the primary exchanger and a dehumidifying third exchanger position just below the top lip of the degreaser, both operating at a temperature below 32.degree. F. (preferably +10.degree. to -30.degree. F.) to effect a reduction in the vapor concentration gradient that controls the rate of vapor diffusion through the freeboard zone. The improved vapor degreaser is particularly useful in reducing vapor losses when using low boiling solvents.
    Type: Grant
    Filed: June 10, 1991
    Date of Patent: September 1, 1992
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Robert B. Ramsey, Jr.
  • Borate coinitiators for photopolymerizable compositions
    Patent number: 5143818
    Abstract: This invention relates to initiator systems for photopolymerizable compositions. More particularly, this invention pertains to photopolymerizable compositions in which the initiator system comprises an anionic dye in combination with a borate anion coinitiator.
    Type: Grant
    Filed: February 1, 1991
    Date of Patent: September 1, 1992
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Gregory C. Weed, Bruce M. Monroe
  • Melt spinning process for polyamide industrial filaments
    Patent number: 5141700
    Abstract: An improved melt spinning process for preparing nylon filaments wherein the freshly-extruded filaments enter an enclosed zone that is maintained at superatmospheric pressure by a controlled flow of air at low positive pressure and the filaments leave the zone through a constriction, either a venturi or a tube, assisted by the cocurrent flow of such air at a high controlled velocity.
    Type: Grant
    Filed: March 4, 1991
    Date of Patent: August 25, 1992
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Benjamin C. Sze
  • Process for increasing polyamide molecular weight with organophosphonic acid or ester catalysts in the presence of alumina-containing titanium dioxide
    Patent number: 5142000
    Abstract: A process for increasing the molecular weight of a polyamide in the presence of alumina-containing titanium dioxide, said process comprising heating a polyamide containing terminal carboxy and amino groups, and alumina-containing titanium dioxide, in the presence of a catalytically effective quantity of at least one phosphonic acid catalyst and/or ester thereof selected from:R(CH.sub.2).sub.n PO.sub.3 R.sup.1.sub.2 (I)wherein:R is 2-pyridyl or 2-methoxyphenyl;each R.sup.1 is independently selected from H or C.sub.1-10 alkyl; andn is 0 or an integer of from 2-5 with the proviso that n is 0 when R is 2-methoxyphenyl.
    Type: Grant
    Filed: August 28, 1991
    Date of Patent: August 25, 1992
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Robert C. Wheland
  • Penetrants for aqueous ink jet inks
    Patent number: 5141556
    Abstract: An ink for ink jet printers which comprises an aqueous carrier medium, pigment dispersion or dye and a diol penetrant. The latter is an aliphatic diol having at least 6 carbon atoms, a solubility in water of at least 4.5 parts in 100 parts of water at 25.degree. C. and is selected from the group consisting essentially of:(1) compounds wherein at least 2 carbon atoms are attached as substituents to the main chain, and(2) Hexene [1,2-]diols.The pigment dispersion consists of pigment particles and a dispersant, preferably a polymeric dispersant having a hydrophilic segment and a segment that links to the pigment. These inks exhibit rapid drying, are storage stable, have reliable performance and give images having good print quality.
    Type: Grant
    Filed: June 13, 1991
    Date of Patent: August 25, 1992
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Howard Matrick
  • Processing of pigmented nylon fibers
    Patent number: 5141692
    Abstract: Draw breaks are reduced in the spinning and drawing of certain pigmented nylon filaments by incorporating at least 5% of polycaproamide in the melt shortly before spinning.
    Type: Grant
    Filed: November 20, 1990
    Date of Patent: August 25, 1992
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Ketan G. Shridharani, Peter R. Witt
  • Process for improving the strength of fibers from anisotropic-melt-forming polyesters
    Patent number: 5141693
    Abstract: A process for improving the strength of fibers from anisotropic-melt-forming polyesters involves polymerization of the polyester precursors in the presence of defined amounts of lithium chloride or acetate followed by melt-spinning the polyester into fiber and subjecting the fiber to a specified heat treatment.
    Type: Grant
    Filed: January 9, 1991
    Date of Patent: August 25, 1992
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Che-Hsiung Hsu
  • Ink jet paper having crosslinked binder
    Patent number: 5141797
    Abstract: An ink jet recording sheet comprising a sheet support, e.g., paper, bearing a surface coating comprising (a) a water soluble organic polymeric binder, (b) a titanium chelate crosslinking agent as defined, and (c) an inorganic filler, the weight ratio of (c) to (a) preferably being about 7 to 1 to about 1 to 2. The ink jet recording sheet is useful for ink jet printing.
    Type: Grant
    Filed: June 6, 1991
    Date of Patent: August 25, 1992
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: James W. Wheeler
  • Fire extinguishing composition and process
    Patent number: 5141654
    Abstract: A process for extinguishing, preventing and controlling fires using a composition containing at least one fluoro-substituted ethane selected from the group of CF.sub.3 --CHF.sub.2, CHF.sub.2 --CHF.sub.2, CF.sub.3 --CH.sub.2 F, CF.sub.3 --CHFCl, CF.sub.2 Cl--CHF.sub.2, CF.sub.3 --CHCl.sub.2, CF.sub.2 Cl--CHFCl, CFCl.sub.2 --CHF.sub.2, and CHFCl--CHFCl is disclosed. The ethane can be used in open or enclosed areas with little or no effect on the ozone in the stratosphere and with little effect on the global warming process.
    Type: Grant
    Filed: November 14, 1989
    Date of Patent: August 25, 1992
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: Richard E. Fernandez
  • Monoclonal antibodies which bind thromboxane A2 receptor antagonists and diagnostic methods based thereon
    Patent number: 5141865
    Abstract: Monoclonal antibodies which bind thromboxane A2 receptor antagonists, hybrid cell lines which produce these monoclonal antibodies, and immunoassay methods for detecting thromboxane A2 receptor antagonists using these monoclonal antibodies.
    Type: Grant
    Filed: November 17, 1989
    Date of Patent: August 25, 1992
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: Edward M. Croze, Jan-I Tu
  • Nucleic acid fragment encoding herbicide resistant plant acetolactate synthase
    Patent number: 5141870
    Abstract: A nucleic acid fragment encoding a herbicide-resistant plant acetolactate synthase protein is disclosed. This nucleic acid fragment contains at least one nucleotide mutation resulting in one amino acid change in one of seven substantially conserved regions of acetolactate synthase amino acid homology. This mutation results in the production of an acetolactate synthase protein which is resistant to sulfonylurea herbicide compounds compared to the wild-type protin. Transformation of herbicide sensitive plants or plant cells with the fragment results in resistance to the herbicide.
    Type: Grant
    Filed: January 18, 1991
    Date of Patent: August 25, 1992
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: John R. Bedbrook, Roy S. Chaleff, Saverio C. Falco, Barbara J. Mazur, Cristopher R. Somerville, Narendra S. Yadav
  • Computer neural network supervisory process control system and method
    Patent number: 5142612
    Abstract: A neural network for adjusting a setpoint in process control replaces a human operator. The neural network operates in three modes: training, operation, and retraining. In operation, the neural network is trained using training input data along with input data. The input data is from the sensor(s) monitoring the process. The input data is used by the neural network to develop output data. The training input data are the setpoint adjustments made by a human operator. The output data is compared with the training input data to produce error data, which is used to adjust the weights of the neural network so as to train it. After training has been completed, the neural network enters the operation mode. In this mode, the present invention uses the input data to predict output data used to adjust the setpoint supplied to the regulatory controller. Thus, the operator is effectively replaced.
    Type: Grant
    Filed: August 3, 1990
    Date of Patent: August 25, 1992
    Assignee: E. I. du Pont de Nemours & Co. (Inc.)
    Inventor: Richard D. Skeirik
  • Connectors with ground structure
    Patent number: 5141453
    Abstract: The present invention relates to electrical connectors with a ground structure for impedance and cross talk control between signal carrying conductors.
    Type: Grant
    Filed: September 27, 1991
    Date of Patent: August 25, 1992
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: David F. Fusselman, Peter K. Townsend
  • Method of hydrid digital coding distinguishing motion pictures from still pictures
    Patent number: 5142362
    Abstract: Still and moving picture components of a motion video transmission are coded by using the same algorithm. The system provides a posteriori recognition of still pictures on memorization of the quantization step used to code groups of pixels of a still picture which belong to a certain hierarchical level (e.g. the macroblock level), and allows convergence of the quantization step towards a minimum predetermined value.
    Type: Grant
    Filed: February 20, 1991
    Date of Patent: August 25, 1992
    Assignee: CSELT - Centro Studi e Laboratori Telecomunicazioni S.p.A.
    Inventors: Lorenzo Masera, Fernando Pereira